Which of the following is not true of reproduction in a pine tree? a) the polloen tube contains two diploid sperm. b) the zygote grows into the embryo.

According to this food web which of the following would be considered primary consumers

Did the vinegar diffuse all the way to the center of any of the cubes? if so, which ones? what does this tell you about surface area-to-volume ratio and the diffusion rate?

Is becoming less expensive to screen blood samples for dna certain diseases have genetic basis what is possible ethical concern about the availability of inexpensive dna testing